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129745 (1999 CX109)
Classification: Main-belt Asteroid          SPK-ID: 2129745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06927454737182781 3.0813e-08  
a 2.205486217241786 9.5156e-09 au
q 2.052702157807556 6.5745e-08 au
i 5.64762839169958 4.811e-06 deg
node 247.6931502159331 3.63e-05 deg
peri 244.5446769333838 5.305e-05 deg
M 191.373534675992 3.8925e-05 deg
tp 2459560.874268351386
(2021-Dec-12.37426835)
0.0001302 TDB
period 1196.340895949369
3.28
7.7424e-06
2.12e-08
d
yr
n .3009175739280552 1.9475e-09 deg/d
Q 2.358270276676016 1.0175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      7867 days (21.54 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56165  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:41:44  

Additional Information
 Earth MOID = 1.07477 au 
 Jupiter MOID = 2.67958 au 
 T_jup = 3.652 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO475135  

129745 (1999 CX109)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 CX109 = 2001 YQ101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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